Knot to Mile/Hour Converter

Speed Converter

18 units available

Decimals:

From

To

1.150779

1 kn = 1.150779 mph

Formula:

mph = kn × 1.150779447

With your value: 1 kn = 1.15077945 mph

How big is that?

Everyday references on a logarithmic scale, all expressed in knot so you can sanity-check the result.

Your value1.00 kn

Walking pace (2.7× your value)2.72 kn

Cycling (11× your value)10.7 kn

Urban speed limit (50 km/h) (27× your value)27.0 kn

Cheetah sprint (56× your value)56.4 kn

Motorway (110 km/h) (59× your value)59.5 kn

Other Knot to Mile/Hour conversions

2 kn to mph 3 kn to mph 4 kn to mph 5 kn to mph 6 kn to mph 7 kn to mph 8 kn to mph

Knot to Mile/Hour Conversion Table

Knot (kn)	Mile/Hour (mph)
0.5	0.57539
1	1.150779
2	2.301559
5	5.753897
10	11.507794
15	17.261692
20	23.015589
25	28.769486
50	57.538972
100	115.077945
250	287.694862
500	575.389724
1000	1,150.779447

Mile/Hour to Knot Conversion Table

Mile/Hour (mph)	Knot (kn)
0.5	0.434488
1	0.868976
2	1.737952
5	4.344881
10	8.689762
15	13.034644
20	17.379525
25	21.724406
50	43.448812
100	86.897624
250	217.244061
500	434.488121
1000	868.976243

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Knot (kn)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Mile/Hour (mph)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Knot to Mile/Hour

To convert from Knot (kn) to Mile/Hour (mph), multiply the value by 1.150779447.

Formula: mph = kn × 1.150779447

Reverse: kn = mph × 0.8689762427

Step-by-Step Example

Start with your value in Knot. For example: 5 kn
Multiply by the conversion factor: 5 x 1.150779447
The result is: 5.753897 mph

About Knot

The knot equals one nautical mile per hour and is used in maritime and aviation contexts.

Fun Fact: The knot gets its name from the practice of using a knotted rope to measure ship speed.

Common uses: navigation, aviation, sailing.

About Mile/Hour

Miles per hour is the standard unit of speed in the US and UK for vehicles and weather reporting.

Common uses: speed limits (US/UK), vehicle speed, baseball.

Frequently Asked Questions

How many Mile/Hour are in 1 Knot?

There are exactly 1.150779447 Mile/Hour in 1 Knot. This means the conversion factor from Knot to Mile/Hour is 1.150779447.

What is the formula to convert Knot to Mile/Hour?

The formula to convert Knot to Mile/Hour is: mph = kn × 1.150779447. For example, to convert 10 Knot to Mile/Hour, you would multiply 10 by 1.150779447.

What is a Knot?